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https://github.com/jimeh/zsh-peco-history

Search shell history with peco when pressing ctrl+r.
https://github.com/jimeh/zsh-peco-history

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Search shell history with peco when pressing ctrl+r.

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# zsh-peco-history



Search shell history with [peco](https://github.com/peco/peco) when pressing

ctrl+r.



Based on [zsh-history-search](https://github.com/mooz/percol#zsh-history-search)

snippet from [percol](https://github.com/mooz/percol).



![screenshot](https://github.com/jimeh/zsh-peco-history/raw/master/screenshot.png)



## Usage



1. Press ctrl+r while in a zsh shell and it should load up peco with your

   shell's history.

2. Start typing to filter history down.

3. Press enter/return to pick a command from history.



## Requirements



- [peco](https://github.com/peco/peco)

- [zsh](https://www.zsh.org/)

- `tac`, or `tail` with support for `-r` option.

- `perl`, `awk`, or `uniq` if de-duplication is turned on.



## Installation



### Manual



1. Clone this repo to your machine. This guide uses `~/.zsh/zsh-peco-history`:



    ```sh

    git clone https://github.com/jimeh/zsh-peco-history.git ~/.zsh/zsh-peco-history

    ```



2. Add the following to the end of your `.zshrc`:



    ```sh

    source ~/.zsh/zsh-peco-history/zsh-peco-history.zsh

    ```



3. Start a new terminal session.



### [Zplug](https://github.com/b4b4r07/zplug)



1. Add a zplug definition for zsh-peco-history to your `.zshrc`:



    ```sh

    zplug "jimeh/zsh-peco-history", defer:2

    ```



2. Start a new terminal session.



### [Antigen](https://github.com/zsh-users/antigen)



1. Add a antigen bundle definition for zsh-peco-history to the end of the

   antigen setup in your `.zshrc`:



    ```sh

    antigen bundle jimeh/zsh-peco-history

    ```



2. Start a new terminal session.



### [Oh My Zsh](https://github.com/robbyrussell/oh-my-zsh)



1. Clone this repository into `$ZSH_CUSTOM/plugins` (by default

   `~/.oh-my-zsh/custom/plugins`)



    ```sh

    git clone https://github.com/jimeh/zsh-peco-history.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-peco-history

    ```



2. Add the plugin to the list of plugins for Oh My Zsh to load:



    ```sh

    plugins=(zsh-peco-history)

    ```



3. Start a new terminal session.



## Configuration Options



### `ZSH_PECO_HISTORY_OPTS`



Command-line arguments passed to `peco`. Defaults to `--layout=bottom-up` if the

variable is not set.



A lot of the Peco options available on the command-line, are also available via

Peco's config file. It's up to you how you want to manage your Peco settings.



For example, if you want to use the `bottom-up` layout, and change to fuzzy

filtering:



```bash

ZSH_PECO_HISTORY_OPTS="--layout=bottom-up --initial-filter=Fuzzy"

```



### `ZSH_PECO_HISTORY_DEDUP`



De-duplicates all history entries before they are handed over to peco. Disabled

by default.



To enable, set the `ZSH_PECO_HISTORY_DEDUP` environment variable to a non-zero

value before zsh-peco-history is loaded.



This is useful if you often have a lot of duplicate entries when searching

through your history. However in that case it often enough to configure ZSH to

not save duplicate commands to history in the first place. This can be done by

setting the following options:



```

setopt HIST_EXPIRE_DUPS_FIRST

setopt HIST_IGNORE_DUPS

setopt HIST_IGNORE_ALL_DUPS

setopt HIST_FIND_NO_DUPS

setopt HIST_SAVE_NO_DUPS

```



[Oh My Zsh](https://github.com/robbyrussell/oh-my-zsh) for example sets the

above options, and more in it's

[`history.zsh`](https://github.com/mattjj/my-oh-my-zsh/blob/b1d4bab329456e9a4af49237064d9a3b6566f1b0/history.zsh)

file.



## Recommended Peco Config



You don't have to use this config, it's simply what I personally use. So here's

what my `~/.peco/config.json` file looks like:



```json

{

  "Keymap": {

    "M-v": "peco.ScrollPageUp",

    "C-v": "peco.ScrollPageDown",

    "C-g": "peco.Cancel",

    "M-Space": "peco.ToggleRangeMode",

    "M-c": "peco.CancelRangeMode"

  },

  "Style": {

    "Basic": ["on_default", "default"],

    "Matched": ["cyan"],

    "Query": ["default"],

    "SavedSelection": ["on_blue", "white"],

    "Selected": ["on_magenta", "default"]

  }

}

```



## License



[CC0 1.0 Universal](https://creativecommons.org/publicdomain/zero/1.0/)